Which was ventor’s contribution to science?

a) discovered the existence of single-celledorganisms.
b) invented the light microscope.
c) discovered the structure of dna.
d) invented a synthetic cell

The approval of is the states was needed to ratify the constitution

As a result of the work of the house un-american activities committee, hundreds of people were

For your research paper on the history of maui, you locate a source covering the overall history of the hawaiian islands. as you evaluate the source, however, you decide not to use it in your research because it never mentions maui. this significant omission of information falls under what criterion for evaluating resources?